分解下列因式(可不用详细过程)x²+3x+2 x²-7x+6 x²-4x-21 x²+2x-15-x²-4x-21 -m²-7m+18 p²-5pq-36q² s²t²-2s²t-8s²3x²+11x+10 2x²-7x+3 6x²-7x-5 5x²+6xy-8y²5a
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![分解下列因式(可不用详细过程)x²+3x+2 x²-7x+6 x²-4x-21 x²+2x-15-x²-4x-21 -m²-7m+18 p²-5pq-36q² s²t²-2s²t-8s²3x²+11x+10 2x²-7x+3 6x²-7x-5 5x²+6xy-8y²5a](/uploads/image/z/15030413-53-3.jpg?t=%E5%88%86%E8%A7%A3%E4%B8%8B%E5%88%97%E5%9B%A0%E5%BC%8F%28%E5%8F%AF%E4%B8%8D%E7%94%A8%E8%AF%A6%E7%BB%86%E8%BF%87%E7%A8%8B%EF%BC%89x%26%23178%3B%2B3x%2B2+x%26%23178%3B-7x%2B6+x%26%23178%3B-4x-21+x%26%23178%3B%2B2x-15-x%26%23178%3B-4x-21+-m%26%23178%3B-7m%2B18+p%26%23178%3B-5pq-36q%26%23178%3B+s%26%23178%3Bt%26%23178%3B-2s%26%23178%3Bt-8s%26%23178%3B3x%26%23178%3B%2B11x%2B10+2x%26%23178%3B-7x%2B3+6x%26%23178%3B-7x-5+5x%26%23178%3B%2B6xy-8y%26%23178%3B5a%26%23)
分解下列因式(可不用详细过程)x²+3x+2 x²-7x+6 x²-4x-21 x²+2x-15-x²-4x-21 -m²-7m+18 p²-5pq-36q² s²t²-2s²t-8s²3x²+11x+10 2x²-7x+3 6x²-7x-5 5x²+6xy-8y²5a
分解下列因式(可不用详细过程)
x²+3x+2 x²-7x+6 x²-4x-21 x²+2x-15
-x²-4x-21 -m²-7m+18 p²-5pq-36q² s²t²-2s²t-8s²
3x²+11x+10 2x²-7x+3 6x²-7x-5 5x²+6xy-8y²
5a²b²+23ab-10 2a²b²-17abxy+10x²y² x^4 +6x²+8 (a-b)²-4(a+b)+3
分解下列因式(可不用详细过程)x²+3x+2 x²-7x+6 x²-4x-21 x²+2x-15-x²-4x-21 -m²-7m+18 p²-5pq-36q² s²t²-2s²t-8s²3x²+11x+10 2x²-7x+3 6x²-7x-5 5x²+6xy-8y²5a
(x+1)(x+2)
-(x-3)(x+7)
(3x+5)(x+2)
(5ab+2)(ab-5)
(x-1)(x-6)
-(m+9)(m-2)
(2x-1)(x-3)
x^2+3x+2=(x+1)(x+2); x^-7x+6=(x-1)(x-6)
x^2-4x-21=(x+3)(x-7) x^2+2x-15=(x+5)(x-3)
-x^2-4x-21=-(x^2+4x+21) -m^2-7m+18=-(m+9)(m-2)
p^2-5pq-36q^2=(p-9q)(p+4q) s^2t^2-2s^2t-8s^2=s^2(t-...
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x^2+3x+2=(x+1)(x+2); x^-7x+6=(x-1)(x-6)
x^2-4x-21=(x+3)(x-7) x^2+2x-15=(x+5)(x-3)
-x^2-4x-21=-(x^2+4x+21) -m^2-7m+18=-(m+9)(m-2)
p^2-5pq-36q^2=(p-9q)(p+4q) s^2t^2-2s^2t-8s^2=s^2(t-4)(t+2)
5a^2b^2+23ab-10=(5ab-2)(ab+5)
x^4+6x^2+8=(x^2+2)(x^2+4)
(a-b)^2-4(a-b)+3=(a-b-1)(a-b-3)
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